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A hockey ball, of mass 200g, travelling from West to east, at 10m/s is struck by a hockey stick as a result the ball get turned back and now has a speed of 5 metre per second the ball and the hockey stick were in contact for 0.2 second 1. calculate the initial and final momentum of the ball .2.state the direction of momentum in each case.3.calculate the rate of change of momentum of the ball.4.what are the SI unit of (a)momentum and (b) rate of change of momentum 5. calculate the force exerted by the hockey stick on the ball and state its direction |
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Answer» akwbcm gkg.vpvmghlgmfldlsnkaoamanapa |
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